Do you need HDMI? You'll need a right-angle plug adaptor.
Same deal for power / Micro USB
Audio through the 3.5mm steroe/composite video out?
Adding a case with right-angle adaptors to all these ports, will only make the Pi take up more space than by using a regular case with these on the outside.
What about USB and ethernet, do you need / want those?
Stephen Hawking, rest in peace.
8 January 1942 – 14 March 2018